裂れつ肉にく歯し

noun, noun which may take the genitive case particle 'no'

carnassial; carnassial tooth

Zoological term for the specialized shearing teeth found in carnivorans, such as the upper fourth premolar and lower first molar.

• 裂れつ肉にく歯しは肉にく食しょく動どう物ぶつの顎あごに見みられる特とく殊しゅな歯はです。

  Carnassial teeth are specialized teeth found in the jaws of carnivorous animals.

• この化か石せきの裂れつ肉にく歯しの形けい状じょうから、その動どう物ぶつが肉にく食しょくだったことがわかる。

  From the shape of the carnassial teeth in this fossil, we can tell that the animal was a carnivore.